WTU:V
331206 Cathy L. Maxwell 1298 1994-08-27
U.S.A., Washington, Wahkiakum, Whites Island at upriver end of Puget Island on Columbia River; SE end of island., 46.15574 -123.33503
WTU:V
350374 P. F. Zika 18023 2002-10-03
U.S.A., Oregon, Multnomah, Sandy north shore of Hayden Island, west of railroad bridge, Friendly Reach, Columbia River, Portland., 45.625 -122.696667, 3m
WTU:V
331213 Cathy Maxwell 1297 1994-08-27
U.S.A., Washington, Wahkiakum, White's Island at upriver end of Puget Island in Columbia River., 46.1498 -123.3295
WTU:V
331208 Cathy L. Maxwell 1160 1990-09-02
U.S.A., Washington, Wahkiakum, White's Island at upriver end of Puget Island in the Columbia River., 46.1498 -123.3295
WTU:V
371969 Peter F. Zika 17867 2002-09-13
U.S.A., Washington, Clark, East shore of Columbia River, north end of Frenchmans Bay Riverfront County Park, 6 air kilometers west-northwest of Vancouver Junction., 45.683333 -122.766667, 5m
WTU:V
397050 Cathy Maxwell, Joe Arnett, Kathleen Sayce, David Giblin 08-6 2008-09-09
U.S.A., Oregon, Clatsop, Julia Butler Hanson Refuge for the Columbia White-tailed Deer. Island off the east tip of Tenasillahe Island., 46.20953 -123.43145
WTU:V
379569 Peter F. Zika 17861 2002-09-13
U.S.A., Oregon, Columbia, East shore of Sauvies Island, Columbia River, just north of county line., 45.73 -122.766667, 10m
WTU:V
379364 Peter F. Zika 17854 2002-09-13
U.S.A., Oregon, Multnomah, East shore of Sauvie Island, Columbia River, just south of county line., 45.72365 -122.77025, 10m
WTU:V
388110 R.E. Brainerd, N. Otting 1643 2009-10-15
U.S.A., Oregon, Columbia, Sauvie Island, Columbia River shore., 45.73119 -122.766844, 3m
WTU:V
388105 R.E. Brainerd, N. Otting 1649 2009-10-15
U.S.A., Oregon, Columbia, East side of Sauvie Island, circa 200 feet east of Reeder Road and 0.25 mile west of the Columbia River., 45.728635 -122.771829, 3m
WTU:V
408119 Ben Legler 13837 2015-09-11
U.S.A., Washington, Clark, Frenchmans Bar Regional Park on east shore of Columbia River, in open area north of volleyball nets., 45.68254 -122.767778, 6m
WTU:V
412559 Peter F. Zika 28255 2016-08-13
U.S.A., Washington, Clark, N bank of Columbia River, Morgan Channel, near Blurock Landing., 45.6687 -122.7626, 1m
WTU:V
425362 Kathleen Sayce, Cathy Maxwell, David Giblin 10-16 2010-09-23
U.S.A., Oregon, Clatsop, Julia Butler Hansen National Wildlife Refuge. Miller Sands Island; northern side of island approximately halfway between east and west ends., 46.252 -123.6613, 3m
WTU:V
423986 Barbara L. Wilson 17818 2013-08-22
U.S.A., Oregon, Multnomah, Near parking area at northeast shore of Smith Lake, north of Portland., 45.61675 -122.71796, 15m